Jack chain single - low-carbon steel blu-krome (electro-galvanized) trade size=12 length 100 feet wll 29 pound. Jack chain single - low-carbon steel blu-krome (electro-galvanized) trade size=12 length 100 feet wll 29 pound. 100 foot reel, #12, bright zinc, single jack chain, wll 29 lb. Use for fixture and novelty suspension, general utility use not requiring high strength. Warning: Do not exceed the working load limits for chain or components. Do not use for overhead lifting or hoisting. Do not use if the chain or components are visibily distorted or worn.